[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.07"]
[Round "1.1"]
[White "Mendonca, Leon Luke"]
[Black "Harshavardhan, G B"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2606"]
[BlackElo "2454"]
[ECO "A77"]
[Opening "Benoni"]
[Variation "classical, 9...Re8, 10.Nd2"]
[WhiteFideId "35028561"]
[BlackFideId "25059009"]
[EventDate "2025.08.07"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2 Bg7 8. e4
O-O 9. Be2 Re8 10. O-O Nbd7 11. a4 Ne5 12. Ndb1 a6 13. h3 c4 14. Be3 Bd7 15. a5
Rc8 16. Nd2 Nd3 17. Qb1 Nc5 18. Bxc4 Qe7 19. f3 Nh5 20. Ra3 Be5 21. Ne2 Qh4 22.
b4 Na4 23. f4 Bg7 24. Bf2 Qd8 25. Rb3 f5 26. Bd4 Bxd4+ 27. Nxd4 Rxc4 28. Nxc4
Rxe4 29. Ne6 Bxe6 30. dxe6 Rxc4 31. Re3 Qe8 32. Rc1 d5 33. Rxc4 dxc4 34. Qa2 Qc6
35. Qd2 Ng7 36. Qd7 h6 37. Qf7+ Kh7 38. e7 Qe8 39. Qxc4 g5 40. Qd4 Nh5 41. fxg5
hxg5 42. Qe5 Kg6 43. Qd6+ Kg7 44. Re6 Nf4 45. Qe5+ Kg8 46. Rh6 Ng6 47. Rxg6+ 1-0

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.07"]
[Round "1.2"]
[White "Puranik, Abhimanyu"]
[Black "Adhiban, Baskaran"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2635"]
[BlackElo "2534"]
[ECO "E61"]
[Opening "King's Indian defence, 3.Nc3"]
[WhiteFideId "5061245"]
[BlackFideId "5018471"]
[EventDate "2025.08.07"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. Bg5 c5 6. d5 b5 7. cxb5 a6 8. e3 Qa5
9. Nd2 h6 10. Nc4 Qd8 11. Bh4 axb5 12. Nxb5 Ba6 13. Nc3 d6 14. a4 Nbd7 15. Rb1
Qb8 16. Bxf6 Bxf6 17. Nb5 Bxb5 18. axb5 Qxb5 19. Bd3 Qb7 20. Be2 Qb4+ 21. Kf1
Rfb8 22. g3 Nb6 23. Nxb6 Rxb6 24. b3 Ra2 25. Bc4 Rb8 26. Kg2 Rba8 27. Qf3 Rd2
28. Rhd1 h5 29. Rxd2 Qxd2 30. Qd1 Qb4 31. h4 Ra2 32. Rc1 Kg7 33. Rc2 Ra1 34. Rc1
Ra3 35. Qe1 Qb7 36. Qd2 Qb4 37. Rc2 Ra1 38. Ra2 Qxd2 39. Rxd2 Bc3 40. Rc2 Bb4
41. Kf3 Kf6 42. Kf4 Be1 43. Re2 Bc3 44. Rc2 Be1 45. Re2 Bc3 46. Rc2 1/2-1/2

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.07"]
[Round "1.3"]
[White "Vaishali, Rameshbabu"]
[Black "Iniyan, Pa"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2476"]
[BlackElo "2586"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Byrne (English) attack"]
[WhiteFideId "5091756"]
[BlackFideId "25002767"]
[EventDate "2025.08.07"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3
h5 9. Nd5 Bxd5 10. exd5 Nbd7 11. Qd2 Qc7 12. O-O-O Be7 13. c4 a5 14. Kb1 a4 15.
Nc1 Qa5 16. Qxa5 Rxa5 17. b4 axb3 18. Nxb3 Ra4 19. c5 dxc5 20. d6 c4 21. dxe7
cxb3 22. axb3 Ra8 23. Bg5 Kxe7 24. Bb5 Rhd8 25. Rhe1 Kf8 26. Kb2 e4 27. Bxd7
Rxd7 28. Rxd7 Nxd7 29. Rxe4 f6 30. Bf4 Re8 31. Rxe8+ Kxe8 32. Kc3 Ke7 33. Kd4
Ke6 34. h4 Nb6 35. Kc5 Nd7+ 36. Kd4 Nb6 37. Bg3 Nd7 38. Bc7 Nf8 39. Bg3 Nd7 40.
b4 Nb6 41. Bb8 Nd7 42. Bc7 Nf8 43. Kc5 Nd7+ 44. Kd4 Nf8 45. Kc5 Nd7+ 46. Kc4 Nf8
47. Bg3 Nd7 48. Kd4 Nb6 49. b5 Nd7 50. Be1 Nb6 51. Bd2 Nd7 52. Bb4 Nb6 53. Bf8
g6 54. Bh6 Nd7 55. Bf4 Nb6 56. Kc5 Nd7+ 57. Kd4 Nb6 58. Ke4 1/2-1/2

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.07"]
[Round "1.4"]
[White "Dronavalli, Harika"]
[Black "Ghosh, Diptayan"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2487"]
[BlackElo "2576"]
[ECO "C47"]
[Opening "Four knights"]
[Variation "Scotch, 4...exd4"]
[WhiteFideId "5015197"]
[BlackFideId "5045207"]
[EventDate "2025.08.07"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8.
exd5 O-O 9. O-O cxd5 10. h3 c6 11. Qf3 Re8 12. Bf4 Bd6 13. Rfe1 Be6 14. Ne2 c5
15. Rad1 Rb8 16. b3 h6 17. c4 d4 18. Bxd6 Qxd6 19. Ng3 Bd7 20. Ne4 Nxe4 21. Bxe4
Re7 22. Bd5 Rbe8 23. Rxe7 Rxe7 24. a3 a5 25. Qd3 Qf4 26. g3 Qf5 27. Qd2 Qh5 28.
Rf1 Bxh3 29. Qxa5 Qe2 30. Bg2 Bxg2 31. Kxg2 Qe4+ 32. Kg1 Re5 33. Qd2 Rh5 34. f3
Qg6 35. Kg2 Qe6 36. g4 Re5 37. Rf2 h5 38. Qa5 Kh7 39. Qd8 f6 40. b4 hxg4 41. f4
Rh5 42. Qa8 Qe3 43. bxc5 g3 44. Rf3 Rh2+ 0-1

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.07"]
[Round "1.5"]
[White "Pranesh, M"]
[Black "Aryan, Chopra"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2589"]
[BlackElo "2634"]
[ECO "B12"]
[Opening "Caro-Kann"]
[Variation "advance variation"]
[WhiteFideId "35028600"]
[BlackFideId "5084423"]
[EventDate "2025.08.07"]

1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Nxc6 bxc6 7. Bd3 e6 8. O-O
Ne7 9. Nd2 a5 10. Nf3 Ba6 11. Bxa6 Rxa6 12. c4 Ng6 13. cxd5 cxd5 14. h4 h5 15.
Qe2 Ra8 16. Be3 Be7 17. g3 Qb8 18. Bd4 Bd8 19. Rac1 O-O 20. Rc3 a4 21. Rfc1 Qb7
22. Bc5 Re8 23. Bd6 d4 24. Nxd4 Qd5 25. Nc6 a3 26. b4 1-0

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.08"]
[Round "2.1"]
[White "Harshavardhan, G B"]
[Black "Aryan, Chopra"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2454"]
[BlackElo "2634"]
[ECO "A05"]
[Opening "Reti opening"]
[WhiteFideId "25059009"]
[BlackFideId "5084423"]
[EventDate "2025.08.07"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. O-O e5 5. e4 d6 6. Nc3 g6 7. d3 Bg7 8. a4 Rb8
9. Nd2 a6 10. Nc4 b5 11. axb5 axb5 12. Ne3 O-O 13. Ncd5 Nxd5 14. Nxd5 Be6 15. c3
Bxd5 16. exd5 Ne7 17. Ra7 Ra8 18. Rb7 Rb8 19. Ra7 Ra8 20. Rb7 Rb8 21. Ra7 1/2-1/2

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.08"]
[Round "2.2"]
[White "Ghosh, Diptayan"]
[Black "Pranesh, M"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2576"]
[BlackElo "2589"]
[ECO "E32"]
[Opening "Nimzo-Indian"]
[Variation "classical variation"]
[WhiteFideId "5045207"]
[BlackFideId "35028600"]
[EventDate "2025.08.07"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d6 5. e3 O-O 6. Bd3 e5 7. Ne2 Re8 8. O-O
Bxc3 9. Nxc3 Nc6 10. dxe5 Nb4 11. Qa4 dxe5 12. Bxh7+ Nxh7 13. Qxb4 e4 14. Qc5
Bg4 15. h3 Bxh3 16. Qh5 Bd7 17. Rd1 Re6 18. Qg4 Qe8 19. b3 Bc6 20. Bb2 Rg6 21.
Qf5 Ng5 22. Kf1 f6 23. Nd5 Bxd5 24. Qxd5+ Kh7 25. Ke2 Rh6 26. Qf5+ Kg8 27. Qd5+
Kh7 28. Qf5+ Kg8 29. Qd5+ Kh7 1/2-1/2

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.08"]
[Round "2.3"]
[White "Iniyan, Pa"]
[Black "Dronavalli, Harika"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2586"]
[BlackElo "2487"]
[ECO "D50"]
[Opening "QGD"]
[Variation "4.Bg5"]
[WhiteFideId "25002767"]
[BlackFideId "5015197"]
[EventDate "2025.08.07"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 dxc4 5. e3 Be7 6. Bxc4 c5 7. Nf3 cxd4 8.
Nxd4 Bd7 9. O-O Nc6 10. Nf3 O-O 11. e4 e5 12. h3 Rc8 13. a3 a6 14. Rc1 b5 15.
Bb3 Rb8 16. Be3 b4 17. axb4 Bxb4 18. Nd5 Nxd5 19. Bxd5 Qe8 20. Qc2 Rc8 21. Qd3
a5 22. Rfd1 Nb8 23. Rxc8 Bxc8 24. Qc2 Ba6 25. Rc1 Nd7 26. Qc7 Bb5 27. b3 h6 28.
Qb7 Nf6 29. Bc5 Nxd5 30. exd5 Bxc5 31. Rxc5 Bd7 32. d6 f6 33. Rc7 Rf7 34. Nd2
Be6 35. Ne4 Rxc7 36. dxc7 Qd7 37. Nc5 Qc8 38. Qb8 Bf5 39. g4 1-0

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.08"]
[Round "2.4"]
[White "Adhiban, Baskaran"]
[Black "Vaishali, Rameshbabu"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2534"]
[BlackElo "2476"]
[ECO "D85"]
[Opening "Gruenfeld"]
[Variation "exchange variation"]
[WhiteFideId "5018471"]
[BlackFideId "5091756"]
[EventDate "2025.08.07"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bb5+ c6 8.
Ba4 O-O 9. Ne2 b5 10. Bb3 Bb7 11. O-O Nd7 12. Bg5 c5 13. d5 c4 14. Bc2 Nc5 15.
h4 Qd7 16. f3 Rac8 17. Rb1 a6 18. Qd2 e6 19. dxe6 Qxe6 20. Rfd1 Rfe8 21. h5 Qb6
22. Be3 Qc7 23. h6 Bf8 24. Nd4 Rcd8 25. Rbc1 Rd7 26. Qf2 Ne6 27. Qh4 Bd6 28. Kh1
Bf8 29. Nxe6 Rxe6 30. Rxd7 Qxd7 31. Rd1 Rd6 32. Rd4 Qe7 33. Bg5 Qd7 34. Be3 Qe7
35. Bg5 Qd7 36. Be3 1/2-1/2

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.08"]
[Round "2.5"]
[White "Mendonca, Leon Luke"]
[Black "Puranik, Abhimanyu"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2606"]
[BlackElo "2635"]
[ECO "B30"]
[Opening "Sicilian"]
[Variation "Nimzovich-Rossolimo attack (without ...d6)"]
[WhiteFideId "35028561"]
[BlackFideId "5061245"]
[EventDate "2025.08.07"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Qc7 5. O-O e5 6. Re1 a6 7. Bf1 d6 8. Nd5
Nxd5 9. exd5 Nd4 10. Nxd4 cxd4 11. c3 dxc3 12. bxc3 Be7 13. a4 O-O 14. a5 f5 15.
c4 Bf6 16. Ba3 e4 17. Rb1 Bd4 18. d3 Bc3 19. Re3 Bxa5 20. Bb2 f4 21. Rxe4 f3 22.
g3 b5 23. cxb5 axb5 24. Rc1 Qd7 25. Re6 Qd8 26. Re3 Bb6 27. d4 Bd7 28. Rc6 Bxc6
29. dxc6 d5 30. Rxf3 b4 31. Bg2 Qd6 32. Rxf8+ Rxf8 33. Qb3 Rd8 34. Qa4 Kh8 35.
Qb5 Bc7 36. Bf3 h6 37. Kg2 Ra8 38. Bc1 Rb8 39. Qa6 b3 40. Bb2 Qe6 41. Be2 Qe4+
42. Bf3 Qc2 43. Qe2 Qxe2 44. Bxe2 Rb6 45. Kf3 Rxc6 46. Bd3 Ba5 47. Ke2 Bc3 48.
Ba3 Re6+ 0-1

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.09"]
[Round "3.1"]
[White "Puranik, Abhimanyu"]
[Black "Harshavardhan, G B"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2635"]
[BlackElo "2454"]
[ECO "A15"]
[Opening "English opening"]
[WhiteFideId "5061245"]
[BlackFideId "25059009"]
[EventDate "2025.08.07"]

1. Nf3 Nf6 2. c4 b6 3. g3 g6 4. d4 Bb7 5. Bg2 c5 6. d5 b5 7. O-O Bg7 8. Re1 O-O
9. e4 bxc4 10. Nc3 d6 11. Nd2 Nbd7 12. Nxc4 a5 13. a4 Ba6 14. Nb5 Qb8 15. Bf1
Bxb5 16. axb5 Ne5 17. Nxe5 dxe5 18. Bd2 Ne8 19. Rxa5 Rxa5 20. Bxa5 Nd6 21. Qa4
Qb7 22. b6 f5 23. Qc6 fxe4 24. b4 cxb4 25. Bxb4 Qb8 26. Bh3 h5 27. Bc5 Kh7 28.
Qc7 Qe8 29. Bf1 Qa4 30. Qxe7 Qa5 31. Qxd6 Qxe1 32. b7 e3 33. Bxe3 Qb1 34. Qb6
Qxb6 35. Bxb6 e4 36. Bc7 Bd4 37. b8=Q Rxf2 38. Qb4 Be3 39. Qxe4 Ba7 40. Bd3 Rf4+
41. Kg2 1-0

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.09"]
[Round "3.2"]
[White "Vaishali, Rameshbabu"]
[Black "Mendonca, Leon Luke"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2476"]
[BlackElo "2606"]
[ECO "C50"]
[Opening "Giuoco Pianissimo"]
[WhiteFideId "5091756"]
[BlackFideId "35028561"]
[EventDate "2025.08.07"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. c3 Nf6 6. O-O a5 7. Re1 Ba7 8. Nbd2
O-O 9. h3 Be6 10. Bb5 Ne7 11. Nf1 Ng6 12. Ng3 c6 13. Ba4 d5 14. exd5 Nxd5 15. d4
exd4 16. Nxd4 Ndf4 17. Bxf4 Nxf4 18. Re4 Qf6 19. Nh5 Nxh5 20. Qxh5 g6 21. Qh6
Bd5 22. Rf4 Qg7 23. Qxg7+ Kxg7 24. Bb3 Rad8 25. Bxd5 Rxd5 26. Re1 Bxd4 27. Rxd4
Rxd4 28. cxd4 Rd8 29. Re7 b5 30. Rc7 Rxd4 31. Rxc6 Rd1+ 32. Kh2 Rd2 33. Rc5 Rxb2
34. a4 bxa4 35. Rxa5 Rb4 36. Ra6 h5 37. g3 g5 38. Kg2 f6 39. Ra7+ Kg6 40. Ra5
Rc4 41. Kh2 Rd4 42. Kg2 Rb4 43. Kh2 h4 44. Kg2 Rc4 45. Kf3 Rc3+ 46. Kg2 a3 47.
gxh4 gxh4 48. Ra4 Kg5 49. Rg4+ Kh5 50. Ra4 f5 51. Ra5 Kg5 52. Ra4 f4 53. Kh2 Kf5
54. Kg2 Ke5 55. Kh2 Rf3 56. Kg2 Rd3 57. Kh2 Kd5 58. Rxf4 Rd4 59. Rf8 Ra4 60.
Rd8+ Kc4 61. Rd1 a2 62. Ra1 Kb3 0-1

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.09"]
[Round "3.3"]
[White "Dronavalli, Harika"]
[Black "Adhiban, Baskaran"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2487"]
[BlackElo "2534"]
[ECO "B36"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, Maroczy bind"]
[WhiteFideId "5015197"]
[BlackFideId "5018471"]
[EventDate "2025.08.07"]

1. Nf3 c5 2. c4 g6 3. d4 cxd4 4. Nxd4 Nc6 5. e4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8.
Qxd4 Bg7 9. Be3 O-O 10. Qd3 a6 11. O-O Bd7 12. Bd4 b5 13. cxb5 axb5 14. a3 Qb8
15. Nd5 Nxd5 16. exd5 Bxd4 17. Qxd4 Ra4 18. Qe3 Qa7 19. Rac1 Re8 20. Qd2 Rd4 21.
Qe3 Ra4 22. Qd2 Rd4 23. Qe3 Ra4 24. Qd2 1/2-1/2

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.09"]
[Round "3.4"]
[White "Pranesh, M"]
[Black "Iniyan, Pa"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2589"]
[BlackElo "2586"]
[ECO "B93"]
[Opening "Sicilian"]
[Variation "Najdorf, 6.f4"]
[WhiteFideId "35028600"]
[BlackFideId "25002767"]
[EventDate "2025.08.07"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nb3 Be7 8. fxe5
dxe5 9. Qxd8+ Bxd8 10. Be3 Nbd7 11. Be2 b6 12. O-O-O Bb7 13. Rhf1 Rc8 14. a4 Rf8
15. Nd2 Be7 16. Nc4 Bb4 17. Nd5 Nxd5 18. exd5 b5 19. axb5 axb5 20. Nb6 Nxb6 21.
Bxb6 Ke7 22. Bxb5 f5 23. Kb1 g5 24. c3 Bd6 25. c4 e4 26. g4 Rb8 27. c5 Bc8 28.
Rde1 Rxb6 29. cxb6 Bxh2 30. Rh1 Bg3 31. Rc1 f4 32. Rxh7+ Kd6 33. Rg7 Bh4 34. b7
Bxg4 35. Rc6+ Kxd5 36. Ra6 Rb8 37. Ra8 Rxb7 38. Rxb7 e3 39. Rd8+ Ke5 40. Bd3 Be6
41. Rb5+ Kf6 42. Rd6 Ke7 43. Rxe6+ Kxe6 44. Be2 1-0

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.09"]
[Round "3.5"]
[White "Aryan, Chopra"]
[Black "Ghosh, Diptayan"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2634"]
[BlackElo "2576"]
[ECO "C45"]
[Opening "Scotch"]
[Variation "Potter variation"]
[WhiteFideId "5084423"]
[BlackFideId "5045207"]
[EventDate "2025.08.07"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nf6 7. Bg5 h6 8.
Bh4 O-O 9. Qe2 a5 10. a4 Nd4 11. Qd3 Nxb3 12. cxb3 c6 13. O-O-O d5 14. Qc2 Be6
15. Kb1 Qe7 16. exd5 cxd5 17. Nxd5 Bxd5 18. Rxd5 Rad8 19. Bc4 Rxd5 20. Bxd5 Rd8
21. Rd1 Kh8 22. Bf3 Rxd1+ 23. Qxd1 Bc5 24. Qd3 b6 25. Ka2 Kg8 26. Bg3 Qe6 27.
Bb7 Qe7 28. Bf3 Qe6 29. h3 Qe7 30. Qa6 g6 31. Qc8+ Kg7 32. Qb8 Nd7 33. Qc7 Kf8
34. Bc6 Nf6 35. Qb8+ Kg7 36. Be5 Bxf2 37. g4 Bc5 38. h4 g5 39. hxg5 hxg5 40. Be4
Be3 41. Bf5 Bc5 42. Bc3 Qd6 43. Qxd6 Bxd6 44. b4 Bxb4 45. Bd4 Bc5 46. Be5 Be7
47. Kb3 Kf8 48. Kc4 Ne8 49. Kd5 Bc5 50. Kc6 Ke7 51. Bb8 f6 52. Bd3 Nd6 53. Bc7
Nf7 54. Bf5 Nd6 55. Bd3 Nf7 56. Kb5 Nd6+ 57. Ka6 Nc8 58. Bf5 Nd6 59. Bd3 Nc8 60.
Kb7 Nd6+ 61. Kc6 Nf7 1/2-1/2

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.10"]
[Round "4.1"]
[White "Harshavardhan, G B"]
[Black "Ghosh, Diptayan"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2454"]
[BlackElo "2576"]
[ECO "E51"]
[Opening "Nimzo-Indian"]
[Variation "4.e3 e8g8, 5.Nf3 d7d5"]
[WhiteFideId "25059009"]
[BlackFideId "5045207"]
[EventDate "2025.08.07"]

1. Nf3 d5 2. c4 e6 3. d4 Nf6 4. Nc3 Bb4 5. e3 O-O 6. Bd2 Nbd7 7. Be2 dxc4 8.
Bxc4 a6 9. Bd3 c5 10. a3 Ba5 11. Qe2 Bc7 12. O-O b6 13. b4 cxd4 14. exd4 Bb7 15.
Bg5 Qb8 16. Rfe1 Bf4 17. Bh4 Bxf3 18. Qxf3 Bxh2+ 19. Kh1 Bf4 20. Ne4 Nd5 21. g3
Bh6 22. Bc4 Kh8 23. Bxd5 exd5 24. Nc3 Bd2 25. Re2 Bxc3 26. Qxc3 Qd6 27. Be7 Qh6+
28. Kg2 Rfe8 29. Rae1 Qg6 30. Qf3 Nf8 31. Bxf8 Rxf8 32. Re7 Rad8 33. R1e5 Qf6
34. Qxf6 gxf6 35. Re3 Rd6 36. Rc7 b5 37. Kf3 Kg7 38. Kf4 Kg6 39. g4 h6 40. f3
Rh8 41. Ree7 Rf8 42. Ra7 Kg7 43. Reb7 Kg6 44. Rc7 Kg7 45. Re7 Kg6 46. Rac7 Rdd8
47. Rc6 Rc8 48. Rc5 Rcd8 49. Kg3 Rd6 50. Kf4 Rdd8 51. Rc6 Rc8 52. Rec7 Rxc7 53.
Rxc7 Re8 54. Rd7 Rc8 55. Rd6 Rc4 56. Rxa6 Rxd4+ 57. Ke3 Rc4 58. Kd3 d4 59. f4
Rc3+ 60. Kxd4 Rc4+ 61. Ke3 Rc3+ 62. Kf2 Rc4 63. Kf3 Rc3+ 64. Ke2 Rg3 65. Ra5 f5
66. Rxb5 fxg4 67. a4 Ra3 68. a5 f6 69. Rb8 h5 70. Rh8 Ra4 71. Rg8+ Kf5 72. Rb8
h4 73. Ke3 Ra3+ 74. Kd4 g3 75. Rg8 h3 76. a6 h2 0-1

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.10"]
[Round "4.2"]
[White "Iniyan, Pa"]
[Black "Aryan, Chopra"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2586"]
[BlackElo "2634"]
[ECO "E15"]
[Opening "Queen's Indian"]
[Variation "Nimzovich variation (exaggerated fianchetto)"]
[WhiteFideId "25002767"]
[BlackFideId "5084423"]
[EventDate "2025.08.07"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qc2 c5 6. Bg2 Bb7 7. dxc5 Bxc5 8. Nc3
Nc6 9. O-O O-O 10. Rd1 h6 11. a3 Re8 12. b4 Bf8 13. e4 e5 14. Nd5 d6 15. Nc3 Bc8
16. Qd3 a6 17. Be3 Ng4 18. Bd2 Nf6 19. h3 Bd7 20. Be3 Rb8 21. Kh2 Qc8 22. Rac1
Qb7 23. Nh4 Ne7 24. f4 Rbd8 25. Qf1 b5 26. Rxd6 exf4 27. Bxf4 Nh5 28. e5 Bc6 29.
Nd5 Bxd5 30. cxd5 Nxf4 31. Qxf4 g5 32. Qg4 Rc8 33. Rd7 Qb6 34. Rxc8 Rxc8 35. d6
Rc1 36. Nf3 Ng6 37. Qf5 Nh8 38. e6 Bxd6 39. exf7+ Kf8 40. Qh7 Bxg3+ 41. Kxg3
Qb8+ 42. Kf2 Qb6+ 43. Nd4 Qf6+ 44. Qf5 Rc2+ 45. Kg1 1-0

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.10"]
[Round "4.3"]
[White "Adhiban, Baskaran"]
[Black "Pranesh, M"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2534"]
[BlackElo "2589"]
[ECO "E11"]
[Opening "Bogo-Indian defence, Nimzovich variation"]
[WhiteFideId "5018471"]
[BlackFideId "35028600"]
[EventDate "2025.08.07"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. Qc2 b6 6. a3 Bxd2+ 7. Nbxd2 Bb7 8.
Rg1 c5 9. dxc5 bxc5 10. g4 d5 11. g5 Nfd7 12. O-O-O Nc6 13. cxd5 exd5 14. Bh3
Nb6 15. Nb3 Bc8 16. Rg3 c4 17. Nbd4 Nxd4 18. Nxd4 Bxh3 19. Rxh3 O-O-O 20. Qf5+
Kb7 21. Re3 Qf8 22. Rf3 Rd7 23. e4 Qc5 24. exd5 Rxd5 25. Qxf7+ Ka6 26. Nc2 Rxd1+
27. Kxd1 Rd8+ 28. Kc1 Qxg5+ 29. Kb1 Qg6 30. Qxg6 Rd1+ 31. Ka2 hxg6 32. Rg3 Rd2
33. Kb1 Rd1+ 34. Ka2 Rd2 35. Kb1 Rd1+ 36. Ka2 1/2-1/2

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.10"]
[Round "4.4"]
[White "Mendonca, Leon Luke"]
[Black "Dronavalli, Harika"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2606"]
[BlackElo "2487"]
[ECO "B30"]
[Opening "Sicilian"]
[Variation "Nimzovich-Rossolimo attack (without ...d6)"]
[WhiteFideId "35028561"]
[BlackFideId "5015197"]
[EventDate "2025.08.07"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Bxc6 dxc6 5. d3 Qc7 6. a4 e5 7. Nbd2 Be6 8.
O-O Be7 9. Ng5 Bg4 10. f3 Bh5 11. Nc4 h6 12. Nh3 g5 13. Nf2 Nd7 14. Ng4 f6 15.
Nge3 Bg6 16. Bd2 b6 17. Qe1 a5 18. g3 Rg8 19. Kh1 Bf8 20. f4 exf4 21. gxf4 O-O-O
22. Qg3 Kb7 23. Bc3 Be7 24. fxg5 hxg5 25. Rf2 Rdf8 26. Raf1 Qxg3 27. hxg3 Rh8+
28. Kg2 Rh7 29. Ng4 Rfh8 30. Nce3 Bd8 31. b3 Ka6 32. Rg1 Rf8 33. Ra1 Rfh8 34.
Raf1 Be8 35. Rg1 Rf8 36. Rff1 Bg6 37. Rf3 Bh5 38. Rf2 Bg6 39. Rff1 Rfh8 40. Kf2
Rf7 41. Ke2 Rh3 42. Rh1 Rfh7 43. Rxh3 Rxh3 44. Nxf6 Bxf6 45. Bxf6 Rxg3 46. Bd8
g4 47. Kd2 Bh5 48. Rf5 Rh3 49. Bc7 Kb7 50. Bd6 b5 51. Rg5 c4 52. bxc4 bxa4 53.
Rg7 Kc8 54. Nxg4 c5 55. Ne5 Nxe5 56. Bxe5 Kd8 57. Ra7 Rh1 58. Rxa5 Be8 59. Rxc5 1-0

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.10"]
[Round "4.5"]
[White "Puranik, Abhimanyu"]
[Black "Vaishali, Rameshbabu"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2635"]
[BlackElo "2476"]
[ECO "D90"]
[Opening "Gruenfeld"]
[Variation "Three knights variation"]
[WhiteFideId "5061245"]
[BlackFideId "5091756"]
[EventDate "2025.08.07"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e3 O-O 7. Bc4 Nb6 8. Bb3
c5 9. O-O Bg4 10. dxc5 N6d7 11. h3 Bxf3 12. Qxf3 Nxc5 13. Rd1 Nbd7 14. Bc2 Rc8
15. Bd2 e6 16. Be1 Qe7 17. Rab1 Nb6 18. Qe2 a6 19. Ne4 Nxe4 20. Bxe4 Nc4 21. a3
a5 22. Bd3 Ne5 23. Bxa5 Nxd3 24. Rxd3 Qg5 25. Bb4 Rfd8 26. Rxd8+ Rxd8 27. Rd1 h5
28. Rxd8+ Qxd8 29. Qc2 Qd5 30. b3 Bf6 31. a4 h4 32. Qc5 Qd1+ 33. Kh2 Qd7 34. Qd6
Qc8 35. Bc5 Kh7 36. b4 Bd8 37. Kg1 Bf6 38. a5 Qe8 39. Qc7 Kg7 40. Qxb7 Qa4 41.
Qa6 Be5 42. Qf1 Bc3 43. a6 1-0

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.11"]
[Round "5.1"]
[White "Vaishali, Rameshbabu"]
[Black "Harshavardhan, G B"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2476"]
[BlackElo "2454"]
[ECO "C49"]
[Opening "Four knights"]
[Variation "Nimzovich (Paulsen) variation"]
[WhiteFideId "5091756"]
[BlackFideId "25059009"]
[EventDate "2025.08.07"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. Bxc6 bxc6 7. Nxe5 Bxc3
8. dxc3 Qe8 9. Nd3 Qxe4 10. Re1 Qh4 11. Qf3 Qh5 12. Qg3 d6 13. Bg5 Qg6 14. Qh4
Nd5 15. c4 f6 16. Bd2 Nb6 17. Re3 Qg4 18. Qxg4 Bxg4 19. b3 c5 20. Rae1 Bd7 21.
Nf4 Bf5 22. Nd3 Bd7 23. a4 Rae8 24. f3 Rxe3 25. Bxe3 Kf7 26. h4 h5 27. Kf2 Bf5
28. Rd1 Nd7 29. Rd2 g6 30. Nf4 Ne5 31. Nd5 Rc8 32. Re2 Nc6 33. Bc1 Be6 34. Bb2
Bxd5 35. cxd5 Ne7 36. Rd2 Nf5 37. g3 Re8 38. Rd3 g5 39. hxg5 fxg5 40. g4 hxg4
41. fxg4 Nh6 42. Kf3 Kg6 43. Bc3 Rf8+ 44. Kg3 Rf4 45. Ba5 Rxg4+ 46. Kh3 Re4 47.
Bxc7 Nf5 48. Rd2 Re7 49. Bd8 Re3+ 50. Kg2 g4 51. Rf2 g3 52. Rf4 Re2+ 53. Kf3
Rf2+ 0-1

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.11"]
[Round "5.2"]
[White "Dronavalli, Harika"]
[Black "Puranik, Abhimanyu"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2487"]
[BlackElo "2635"]
[ECO "A15"]
[Opening "English opening"]
[WhiteFideId "5015197"]
[BlackFideId "5061245"]
[EventDate "2025.08.07"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 g6 5. b3 Bg7 6. Bb2 O-O 7. O-O e6 8. Nc3
Qe7 9. e3 Na6 10. Qe2 d5 11. d4 c5 12. Rfd1 Rfd8 13. Rac1 dxc4 14. bxc4 Rac8 15.
Nb5 Be4 16. Ne5 Bxg2 17. Kxg2 Ne4 18. h4 Nd6 19. Qf3 Bxe5 20. dxe5 Nxb5 21. cxb5
Nb4 22. e4 Nxa2 23. Ra1 Nb4 24. Rxd8+ Rxd8 25. Bc1 Rd7 26. Bg5 Qf8 27. Rd1 Nc2
28. Bf6 Rxd1 29. Qxd1 Nd4 30. Qa4 Qa8 31. f3 Qb7 32. Qc4 h6 33. h5 Qd7 34. Qa4
Qxb5 35. Qxa7 Qe2+ 36. Kh3 Qf1+ 37. Kg4 Qxf3+ 38. Kh3 Qh1+ 39. Kg4 gxh5+ 0-1

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.11"]
[Round "5.3"]
[White "Pranesh, M"]
[Black "Mendonca, Leon Luke"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2589"]
[BlackElo "2606"]
[ECO "C64"]
[Opening "Ruy Lopez"]
[Variation "classical (Cordel) defence"]
[WhiteFideId "35028600"]
[BlackFideId "35028561"]
[EventDate "2025.08.07"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Nd4 5. Nxd4 Bxd4 6. c3 Bb6 7. d4 c6 8. Bc4
d6 9. Qb3 Qe7 10. Be3 Nf6 11. Nd2 O-O 12. dxe5 Qxe5 13. Bxb6 axb6 14. Qxb6 Nxe4
15. Nxe4 Qxe4 16. Bb3 Re8 17. a4 g6 18. a5 Ra6 19. Qc7 d5 20. h3 Qe5 21. Qxe5
Rxe5 22. Bc2 d4 23. b4 dxc3 24. Bd3 Ra8 25. Rfc1 Bf5 26. Rxc3 Bxd3 27. Rxd3 Rb5
28. Rd4 c5 29. bxc5 Rxc5 30. Rb4 Raxa5 31. Rxa5 Rxa5 32. Rxb7 h5 33. h4 Kg7 34.
g3 Rc5 35. Rd7 Ra5 36. Rb7 Rc5 37. Rd7 Ra5 38. Rb7 1/2-1/2

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.11"]
[Round "5.4"]
[White "Aryan, Chopra"]
[Black "Adhiban, Baskaran"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2634"]
[BlackElo "2534"]
[ECO "A80"]
[Opening "Dutch, 2.Bg5 variation"]
[WhiteFideId "5084423"]
[BlackFideId "5018471"]
[EventDate "2025.08.07"]

1. d4 f5 2. Bg5 h6 3. Bh4 g5 4. Bg3 Bg7 5. e3 c5 6. c3 Qb6 7. Na3 cxd4 8. Nc4
Qe6 9. cxd4 Nf6 10. Ne5 Nc6 11. Ngf3 g4 12. Nxc6 bxc6 13. Ne5 Nh5 14. Qb3 Qxb3
15. axb3 Nxg3 16. hxg3 c5 17. Ba6 cxd4 18. exd4 e6 19. Kd2 Bxe5 20. dxe5 Ke7 21.
Bc4 Bb7 22. Rh2 Kf7 23. Ke3 Kg6 24. Kf4 a5 25. Rd1 Ba6 26. Rxd7 Bxc4 27. bxc4
Rac8 28. Rd4 Rb8 29. f3 h5 30. Rd6 Rhe8 31. Rh1 Rxb2 32. Rc1 Rxg2 33. Ra6 Re2
34. c5 gxf3 35. Kxf3 Rxe5 36. Rxa5 Rd8 37. Rc3 Rc8 38. Ra6 Kf6 39. c6 Rc7 40.
Rb6 Ke7 41. Rb8 Rd5 42. Rh8 Kd6 43. Rxh5 Rxc6 44. Rxc6+ Kxc6 45. Rh6 Kd6 46. g4
fxg4+ 47. Kxg4 Rd3 48. Kf4 Kd5 49. Rh5+ Kd4 50. Re5 Rf3+ 51. Kxf3 Kxe5 52. Ke3 1/2-1/2

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.11"]
[Round "5.5"]
[White "Ghosh, Diptayan"]
[Black "Iniyan, Pa"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2576"]
[BlackElo "2586"]
[ECO "E32"]
[Opening "Nimzo-Indian"]
[Variation "classical variation"]
[WhiteFideId "5045207"]
[BlackFideId "25002767"]
[EventDate "2025.08.07"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 h6 5. Nf3 c5 6. dxc5 Na6 7. Bd2 Nxc5 8. e3
b6 9. Be2 Bb7 10. O-O Nfe4 11. Nxe4 Bxe4 12. Qd1 Bxd2 13. Nxd2 Bb7 14. b4 Na6
15. a3 O-O 16. Rc1 Nc7 17. Qb3 a5 18. Bf3 Qb8 19. Rfd1 axb4 20. axb4 d5 21. Qb2
Ra4 22. Nb1 Ra7 23. Nd2 Ra4 24. Nb1 Ra7 25. Nd2 Ra4 1/2-1/2

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.12"]
[Round "6.1"]
[White "Harshavardhan, G B"]
[Black "Iniyan, Pa"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2454"]
[BlackElo "2586"]
[ECO "A08"]
[Opening "Reti"]
[Variation "King's Indian attack"]
[WhiteFideId "25059009"]
[BlackFideId "25002767"]
[EventDate "2025.08.07"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O e6 5. d4 cxd4 6. Nxd4 Be7 7. c4 O-O 8. cxd5
Nxd5 9. Nc3 Nxc3 10. bxc3 e5 11. Nb5 Qa5 12. Nd6 Nc6 13. Nxc8 Raxc8 14. Qb3 Qa6
15. Be3 b6 16. Rfd1 Na5 17. Qc2 Rc7 18. Be4 g6 19. Bd5 Nc4 20. Bh6 Rfc8 21. Qe4
Bf6 22. Qg4 Bg7 23. Qg5 Bxh6 24. Qxh6 Qa3 25. h4 Qf8 26. Qg5 Qe7 27. Bxc4 Qxg5
28. Bxf7+ Kxf7 29. hxg5 Ke6 30. Rd2 Rxc3 31. Rad1 Rc1 32. Rxc1 Rxc1+ 33. Kg2 Rc4
34. e3 Ra4 35. f4 Kf5 36. Kh3 Ra3 37. Re2 Ke4 38. Kg4 Ra4 39. Rh2 Kxe3 40. Rxh7
exf4 41. Re7+ Re4 42. Rxe4+ Kxe4 43. gxf4 b5 44. f5 gxf5+ 45. Kh5 f4 46. g6 f3
47. g7 f2 48. g8=Q f1=Q 49. Qa8+ Kd3 50. Qxa7 Qf5+ 51. Kh6 Kc2 52. Qa5 Kb1 53.
a3 Ka2 54. Qb4 Qh3+ 55. Kg5 Qb3 56. Qc5 Qc4 57. Qe3 Kb2 58. Kf5 Qc3 59. Qa7 Qxa3
60. Qf2+ Kb3 61. Qe3+ Ka2 62. Qf2+ Qb2 63. Qa7+ Kb3 64. Qf7+ Kc2 65. Qb7 Qb3 66.
Qg2+ Kb1 67. Qg1+ Kb2 68. Kf6 b4 69. Kg7 Ka2 70. Kh8 Qa3 71. Qb6 b3 72. Qb5 b2
73. Qc4+ Ka1 74. Qd4 Qh3+ 75. Kg7 Qf3 76. Kh8 Qe2 77. Qa7+ Kb1 78. Qg1+ Kc2 79.
Qc5+ Kd1 80. Qg1+ Kc2 81. Qc5+ Kd2 82. Qd4+ Kc1 83. Qg1+ Qd1 84. Qc5+ Kb1 85.
Qf5+ Qc2 86. Qg6 Kc1 87. Qg1+ Kd2 88. Qf2+ Kc3 89. Qc5+ Kb3 90. Qb6+ Ka3 91.
Qd6+ Ka4 92. Qa6+ Kb4 93. Qb6+ Kc4 94. Qc7+ Kd3 95. Qg3+ Kd4 96. Qd6+ Ke3 97.
Qg3+ Ke2 98. Qg2+ Kd1 99. Qg1+ Kd2 100. Qf2+ Kc1 101. Qg1+ Qd1 102. Qc5+ Kb1
103. Qf5+ Ka2 104. Qa5+ Kb3 105. Qb5+ Ka3 106. Qc5+ Kb3 107. Qb5+ Kc3 108. Qc5+
Kd3 109. Qb5+ Kc2 110. Qc5+ Kb1 111. Qf5+ 1/2-1/2

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.12"]
[Round "6.2"]
[White "Adhiban, Baskaran"]
[Black "Ghosh, Diptayan"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2534"]
[BlackElo "2576"]
[ECO "E01"]
[Opening "Catalan"]
[Variation "closed"]
[WhiteFideId "5018471"]
[BlackFideId "5045207"]
[EventDate "2025.08.07"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 a5 6. a3 Be7 7. Qc2 O-O 8. Nf3
Nbd7 9. Nc3 dxc4 10. Rd1 c6 11. h4 Qb6 12. O-O Qa6 13. e4 e5 14. dxe5 Ng4 15. e6
fxe6 16. e5 Ndxe5 17. Nxe5 Nxe5 18. Bg5 Bxg5 19. hxg5 Nd3 20. Be4 b5 21. Rxd3
cxd3 22. Bxd3 h6 23. Qe2 Ra7 24. Qe4 Rf5 25. gxh6 gxh6 26. Qh4 Rf8 27. Ne4 Qb7
28. Nf6+ Rxf6 29. Qxf6 Qg7 30. Qd8+ Qf8 31. Qb6 Rd7 32. Be4 Rd2 33. Qxa5 Rxb2
34. Qc7 1-0

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.12"]
[Round "6.3"]
[White "Mendonca, Leon Luke"]
[Black "Aryan, Chopra"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2606"]
[BlackElo "2634"]
[ECO "A35"]
[Opening "English"]
[Variation "symmetrical, four knights system"]
[WhiteFideId "35028561"]
[BlackFideId "5084423"]
[EventDate "2025.08.07"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nc7 7. a3 g6 8. h4
h6 9. Na4 e5 10. d3 Bd7 11. O-O Ne6 12. b4 cxb4 13. axb4 Bg7 14. Be3 O-O 15. Nc5
Nxb4 16. Nd2 Qe7 17. Qb3 a5 18. Nxd7 Qxd7 19. Nc4 Qc7 20. Nxa5 Rxa5 21. Qxb4
Rxa1 22. Rxa1 Rb8 23. Ba7 Re8 24. Ra2 Re7 25. Bb6 Qc1+ 26. Kh2 Rd7 27. Qb5 Re7
28. Ra8+ Kh7 29. Qb4 Rd7 30. Qa4 Re7 31. Re8 Rxe8 32. Qxe8 Qb2 33. Be3 Qxe2 34.
Qxf7 Nd8 35. Qd7 Nc6 36. Bd5 Nb4 37. Bf7 1-0

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.12"]
[Round "6.4"]
[White "Puranik, Abhimanyu"]
[Black "Pranesh, M"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2635"]
[BlackElo "2589"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack (Barcza system)"]
[WhiteFideId "5061245"]
[BlackFideId "35028600"]
[EventDate "2025.08.07"]

1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 4. Bg2 e6 5. O-O Nb4 6. Ne1 Be7 7. c3 Nc6 8. Nd3
h5 9. f3 h4 10. e4 Bh7 11. Be3 hxg3 12. hxg3 Nf6 13. Nd2 Nh5 14. Bf2 g5 15. Re1
Bg6 16. b4 Bd6 17. Nf1 Kf8 18. b5 Na5 19. exd5 exd5 20. Ne5 Bxe5 21. dxe5 Ng7
22. Qd4 Kg8 23. Ne3 c6 24. bxc6 bxc6 25. Rad1 Ne6 26. Qb4 Rb8 27. Qa3 Qc7 28.
Re2 Kg7 29. Qa4 Nb7 30. Ng4 Nbc5 31. Qa3 Rb5 32. Be3 Rhb8 33. c4 dxc4 34. Qc3
Na4 35. Qa3 Nb2 36. Rc1 Nd3 37. Rxc4 Rb1+ 38. Bf1 Ra1 39. Qxa7 Qd8 40. Nh2 Rbb1
41. Bd4 Qd5 42. Bxa1 Qxc4 43. Bb2 c5 44. Qd7 Qb4 45. a3 Qb3 46. Ng4 Rxf1+ 0-1

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.12"]
[Round "6.5"]
[White "Vaishali, Rameshbabu"]
[Black "Dronavalli, Harika"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2476"]
[BlackElo "2487"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed, Korchnoi variation"]
[WhiteFideId "5091756"]
[BlackFideId "5015197"]
[EventDate "2025.08.07"]

1. e4 c5 2. Nc3 e6 3. g3 d5 4. Bg2 d4 5. Nce2 Nc6 6. d3 h5 7. f4 h4 8. Nh3 e5 9.
f5 Nf6 10. O-O Be7 11. Kh1 b6 12. a3 Bb7 13. Bd2 Qc7 14. Qe1 Ng4 15. Neg1 O-O-O
16. Nf3 hxg3 17. Qxg3 Ne3 18. Bxe3 dxe3 19. Nfg5 Bxg5 20. Qxg5 Nd4 21. Rac1 e2
22. Rg1 f6 23. Qe3 c4 24. Nf2 Rh4 25. c3 Nb3 26. Rce1 cxd3 27. Nxd3 Rdh8 28. h3
Bxe4 29. Nf2 Nc5 30. Rxe2 Bxg2+ 31. Rxg2 e4 32. Qg3 Qd7 33. Kh2 Qxf5 34. Kg1 g5
35. b4 Nd3 36. Nxe4 Qxh3 37. Qxh3+ Rxh3 38. Rh2 Nf4 39. Rd2 g4 40. Nxf6 Rg3+ 41.
Kh1 Rxh2+ 42. Kxh2 Rh3+ 43. Kg1 Rxc3 44. Nxg4 Rg3+ 45. Kf2 Rxg4 46. Kf3 Rh4 47.
Kg3 Ng6 48. Rd6 Rh1 49. Kg2 Rh6 50. Kg1 Kc7 51. Rf6 b5 52. Ra6 Kb7 53. Rf6 Rh3
54. Rxg6 Rxa3 55. Kf2 Rc3 56. Ke2 Rc4 57. Rg7+ Kb6 58. Rg6+ Rc6 59. Rg1 Rd6 60.
Ke3 a6 61. Rh1 Kc6 62. Rc1+ Kb6 63. Rh1 a5 64. bxa5+ Kxa5 65. Ra1+ Kb6 66. Rb1
Rd8 67. Ke4 Rd2 68. Ke3 Rd5 69. Ke4 Kc6 70. Rc1+ Rc5 71. Rh1 b4 72. Kd3 Kb5 73.
Kd2 Ka4 74. Rb1 Ka3 75. Ra1+ Kb2 76. Ra4 Rd5+ 77. Ke3 b3 78. Ra8 Kc3 79. Rc8+
Kb4 80. Rb8+ Rb5 0-1

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.13"]
[Round "7.1"]
[White "Dronavalli, Harika"]
[Black "Harshavardhan, G B"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2487"]
[BlackElo "2454"]
[ECO "D05"]
[Opening "Queen's pawn game, Rubinstein (Colle-Zukertort) variation"]
[WhiteFideId "5015197"]
[BlackFideId "25059009"]
[EventDate "2025.08.07"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. b3 Nbd7 6. O-O b6 7. Bb2 Bb7 8. Nbd2
Qc7 9. Ne5 Be7 10. f4 a6 11. Qe2 O-O 12. a4 Rfe8 13. Rad1 Nf8 14. Kh1 a5 15. Bb5
Red8 16. Bd3 Re8 17. dxc5 bxc5 18. Ndf3 N6d7 19. Bb5 Red8 20. c4 f6 21. Nxd7
Nxd7 22. Bc3 Nb6 23. Qe1 Nc8 24. f5 exf5 25. cxd5 Nd6 26. Bc4 Qd7 27. Nd2 Re8
28. Qg3 Ba6 29. Qf3 Bxc4 30. Nxc4 Nxc4 31. bxc4 Bd6 32. Qe2 Re4 33. Be1 Qxa4 34.
Bg3 Bxg3 35. hxg3 Qxc4 36. Qxc4 Rxc4 37. Rxf5 Kf7 38. d6 Ke6 39. Rh5 h6 40. Kh2
Kd7 41. e4 Re8 42. Rb1 Re5 43. Rh3 Rb4 44. Rd1 Rexe4 45. g4 a4 46. Rc3 Rbc4 47.
Rf3 Rcd4 48. Rb1 Rb4 49. Rd1 Rxg4 50. Rc3 Rh4+ 51. Kg1 Rhd4 52. Re1 Re4 53. Rd1
Rbc4 54. Rg3 g5 55. Rh3 Red4 56. Re1 Re4 57. Rb1 Rb4 58. Rc1 Rh4 59. Rf3 Rhc4
60. Re1 Re4 61. Rc1 Rf4 62. Rh3 Kxd6 63. Rxh6 a3 64. Rd1+ Kc6 65. Ra1 Ra4 66.
Rh8 a2 67. Rc8+ Kd5 68. Rd8+ Ke6 69. Re8+ Kf5 70. Re2 Rfb4 71. Kh2 c4 72. Kh3 c3
73. Rf1+ Kg6 74. Re6 Rh4+ 75. Kg3 Rag4+ 0-1

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.13"]
[Round "7.2"]
[White "Pranesh, M"]
[Black "Vaishali, Rameshbabu"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2589"]
[BlackElo "2476"]
[ECO "C02"]
[Opening "French"]
[Variation "advance, Euwe variation"]
[WhiteFideId "35028600"]
[BlackFideId "5091756"]
[EventDate "2025.08.07"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Nge7 7. O-O Nf5 8. dxc5
a5 9. c4 dxc4 10. Nc3 Bxc5 11. Ne4 b6 12. Bxc4 O-O 13. Bg5 Be7 14. Bf4 Nb4 15.
g4 Bc6 16. Re1 Nh4 17. Nxh4 Bxh4 18. g5 Qxd1 19. Raxd1 b5 20. Bf1 Nd5 21. Bd2 f6
22. exf6 gxf6 23. Rc1 Be8 24. Bg2 Ra7 25. gxf6 Nxf6 26. Bg5 Bxg5 27. Nxg5 Bg6
28. Nxe6 Re8 29. Bc6 Rb8 30. Rc5 Re7 31. f4 Bf7 32. f5 Kh8 33. Rxb5 Rg8+ 34. Kf1
Ng4 35. h3 Nh6 36. Kf2 Rc8 37. Nd4 Rxe1 38. Kxe1 Bxa2 39. Rxa5 Bb1 40. b4 Kg7
41. b5 Nxf5 42. Nxf5+ Bxf5 43. h4 Kf6 44. Kf2 Ke6 45. Ra6 Ke5 46. Ke3 Rd8 47. b6
Rd3+ 48. Kf2 Rd2+ 49. Ke1 Rb2 50. b7 Kd6 51. Bf3+ Kc7 52. Rc6+ Kb8 53. Rf6 Rb5
54. Rf8+ Kc7 55. b8=Q+ Rxb8 56. Rxf5 Kd6 57. Rh5 Rf8 58. Be2 Rh8 59. Bd3 Ke6 60.
Kf2 Kf6 61. Kf3 Kg7 62. Kg4 h6 63. Rd5 Rf8 64. Kh5 Rf7 65. Rd6 Ra7 66. Rg6+ Kh8
67. Rxh6+ Kg8 68. Rd6 Kh8 69. Kg5 Rg7+ 70. Bg6 Ra7 71. Kf6 Ra8 72. Rd7 Ra6+ 73.
Kg5 Ra8 74. Kh6 Rf8 75. Bf7 Rb8 76. Be6 1-0

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.13"]
[Round "7.3"]
[White "Aryan, Chopra"]
[Black "Puranik, Abhimanyu"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2634"]
[BlackElo "2635"]
[ECO "C47"]
[Opening "Four knights"]
[Variation "Scotch, 4...exd4"]
[WhiteFideId "5084423"]
[BlackFideId "5061245"]
[EventDate "2025.08.07"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8.
exd5 O-O 9. O-O cxd5 10. h3 c6 11. Qf3 Rb8 12. Ne2 Bd6 13. b3 Re8 14. Bf4 c5 15.
Ng3 c4 16. bxc4 dxc4 17. Bxd6 Qxd6 18. Bxc4 Bb7 19. Rad1 Qc7 20. Qd3 Qc6 21. f3
Rbc8 22. Bb3 Ba6 23. c4 Bxc4 24. Bxc4 Qxc4 25. Qxc4 Rxc4 26. Nf5 Ra4 27. Rd2 g6
28. Nd6 Re7 29. Kf2 h5 30. Rc1 Kg7 31. Rc4 Ra3 32. h4 a6 33. Rb4 Rc7 34. Rb3
Rxb3 35. axb3 Rc3 36. b4 Rb3 37. Rd4 Rb2+ 38. Kg3 Ng8 39. Re4 Nh6 40. Kh3 Nf5
41. Nxf5+ gxf5 42. Rc4 f6 1/2-1/2

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.13"]
[Round "7.4"]
[White "Ghosh, Diptayan"]
[Black "Mendonca, Leon Luke"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2576"]
[BlackElo "2606"]
[ECO "B50"]
[Opening "Sicilian"]
[WhiteFideId "5045207"]
[BlackFideId "35028561"]
[EventDate "2025.08.07"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Qxd4 Nc6 6. Qe3 g6 7. h3 Bg7 8. Bc4
O-O 9. O-O a6 10. a4 Bd7 11. Rd1 Rc8 12. Qe2 Qb6 13. Bb3 Na5 14. Be3 Qc7 15. Ba2
Rfe8 16. Bg5 h6 17. Bxf6 exf6 18. Qd3 f5 19. e5 Qc5 20. Qxd6 Qxd6 21. Rxd6 Be6
22. Bxe6 fxe6 23. Rd7 Nc4 24. Rxb7 Rb8 25. Rxb8 Rxb8 26. Nd1 Kf7 27. Kf1 g5 28.
g4 Nxe5 29. Nxe5+ Bxe5 30. c3 h5 31. gxh5 Rh8 32. Ne3 Rxh5 33. Nc4 Bc7 34. Rd1
Ke7 35. Rd3 Rh4 36. b3 e5 37. Rd5 Rxh3 38. Rc5 Bd6 39. Rc8 e4 40. Nxd6 Kxd6 41.
b4 f4 42. b5 axb5 43. axb5 Rh1+ 44. Kg2 Rb1 45. Re8 Kd5 46. Kh3 Rb2 47. Kg4 Rxf2
48. c4+ Kd4 49. c5 Rg2+ 50. Kf5 Kxc5 51. Re5+ Kb6 52. Rxe4 f3 0-1

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.13"]
[Round "7.5"]
[White "Iniyan, Pa"]
[Black "Adhiban, Baskaran"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2586"]
[BlackElo "2534"]
[ECO "D31"]
[Opening "QGD"]
[Variation "semi-Slav, Marshall gambit"]
[WhiteFideId "25002767"]
[BlackFideId "5018471"]
[EventDate "2025.08.07"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+ 8.
Be2 Na6 9. Bd6 Qxg2 10. Bf3 Qg5 11. Ne2 Ne7 12. Ng3 e5 13. Qb3 Qh4 14. Rg1 O-O
15. Nh5 Ng6 16. Bxf8 Kxf8 17. O-O-O Be6 18. Be2 Qe7 19. Qe3 Qc5 20. Qg5 Re8 21.
Rd8 Bxc4 22. Rxe8+ Kxe8 23. Kd1 Qd4+ 24. Ke1 Bxe2 25. Kxe2 Qc4+ 26. Kf3 Qd5+ 27.
Ke2 Qc4+ 28. Kf3 Qd5+ 29. Ke2 Nc5 30. Nxg7+ Kf8 31. Nh5 Qd3+ 32. Ke1 Qb1+ 33.
Ke2 Qd3+ 34. Ke1 Qb1+ 35. Ke2 Qd3+ 36. Ke1 1/2-1/2

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.14"]
[Round "8.1"]
[White "Harshavardhan, G B"]
[Black "Adhiban, Baskaran"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2454"]
[BlackElo "2534"]
[ECO "A88"]
[Opening "Dutch"]
[Variation "Leningrad, main variation with c6"]
[WhiteFideId "25059009"]
[BlackFideId "5018471"]
[EventDate "2025.08.07"]

1. Nf3 f5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 c6 8. b4 e5
9. dxe5 dxe5 10. e4 Qxd1 11. Rxd1 f4 12. Rb1 Bg4 13. h3 Bxf3 14. Bxf3 Nbd7 15.
Bg4 Rad8 16. Be6+ Kh8 17. c5 b6 18. Ba3 bxc5 19. bxc5 fxg3 20. fxg3 Bh6 21. Bxd7
Be3+ 22. Kh1 Nxd7 23. Rd6 Bxc5 24. Bxc5 Nxc5 25. Rxc6 Nd3 26. Rg1 Rc8 27. Rxc8
Rxc8 28. Nd5 Nf2+ 29. Kg2 Rc2 30. Nb4 Rb2 31. a3 h5 32. Rf1 Nxe4+ 33. Kg1 Nxg3
34. Rf7 Ne2+ 35. Kh1 Kg8 36. Rxa7 Nd4 37. Kg1 Rd2 38. Kf1 Nf3 39. Rc7 Nh2+ 40.
Ke1 Nf3+ 41. Kf1 Ng5 42. Rc3 Kg7 43. a4 Rd1+ 44. Kg2 Rd2+ 45. Kf1 Rd1+ 46. Kg2
Ra1 47. Rc7+ Kh6 48. h4 Ne6 49. Ra7 Nd4 50. a5 Nf5 51. a6 Nxh4+ 52. Kf2 Nf5 53.
Ra8 Nd4 54. Ke3 Kg5 55. Nd3 Nc6 56. Nc5 h4 57. Rg8 Ne7 58. Rh8 Nf5+ 59. Kf3 Ra3+
60. Ke4 Ra5 61. Ne6+ Kg4 62. Nc5 Rxc5 63. a7 Ng3+ 64. Kd3 e4+ 65. Kd4 Ra5 66.
a8=Q Rxa8 67. Rxa8 h3 68. Rh8 Nh5 69. Re8 h2 70. Rxe4+ Kg5 71. Re5+ Kf6 72. Re1
Ng3 73. Ke3 h1=Q 74. Rxh1 Nxh1 75. Kf3 Kf5 76. Kg2 Kf4 77. Kxh1 Kg3 78. Kg1 g5
79. Kh1 g4 80. Kg1 Kh3 81. Kh1 g3 0-1

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.14"]
[Round "8.2"]
[White "Mendonca, Leon Luke"]
[Black "Iniyan, Pa"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2606"]
[BlackElo "2586"]
[ECO "A08"]
[Opening "Reti"]
[Variation "King's Indian attack"]
[WhiteFideId "35028561"]
[BlackFideId "25002767"]
[EventDate "2025.08.07"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O e6 5. c4 d4 6. e3 Nc6 7. d3 Bd6 8. exd4
cxd4 9. Bg5 h6 10. Bxf6 gxf6 11. Na3 Kf8 12. Nc2 Be7 13. a3 a5 14. b4 axb4 15.
axb4 Rxa1 16. Qxa1 Nxb4 17. Nxb4 Bxb4 18. Nxd4 e5 19. Qb1 Qxd4 20. Qxb4+ Kg7 21.
Bxb7 Bxb7 22. Qxb7 Qxd3 23. c5 e4 24. Qb4 Rd8 25. Re1 Rd4 26. Qb2 Rc4 27. Rc1 e3
28. Rxc4 Qxc4 29. fxe3 Qxc5 30. Qd4 Qc1+ 31. Kg2 Qc2+ 32. Kg1 Qc1+ 33. Kg2 Qc2+
34. Kg1 Qc1+ 1/2-1/2

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.14"]
[Round "8.3"]
[White "Puranik, Abhimanyu"]
[Black "Ghosh, Diptayan"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2635"]
[BlackElo "2576"]
[ECO "E26"]
[Opening "Nimzo-Indian"]
[Variation "Saemisch, O'Kelly variation"]
[WhiteFideId "5061245"]
[BlackFideId "5045207"]
[EventDate "2025.08.07"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 Bb7 8. Ng3
d6 9. Ra2 Nc6 10. e4 Qe7 11. d5 Na5 12. Bd3 O-O-O 13. O-O Ba6 14. Qe2 h5 15. e5
dxe5 16. Bg5 exd5 17. Nf5 Qc7 18. Bxf6 gxf6 19. cxd5 Bxd3 20. Qxd3 c4 21. Qf3
Kb8 22. a4 e4 23. Qxe4 Qe5 24. Qxe5+ fxe5 25. Rd1 Rd7 26. Re2 f6 27. f4 exf4 28.
Re4 Rc8 29. Rxf4 Re8 30. Kf2 a6 31. Ne3 b5 32. axb5 axb5 33. Rxf6 Kb7 34. Ra1
Nb3 35. Raa6 Rf8 36. Rb6+ Ka7 37. Ra6+ Kb7 38. Rxf8 Kxa6 39. Nc2 Kb7 40. Nb4 Nc5
41. Rf3 Kb6 42. Ke3 Re7+ 43. Kd2 Ne4+ 44. Kc2 Rg7 45. g3 h4 46. Re3 hxg3 47.
hxg3 Nd6 48. Kd1 Kc5 49. Ke1 Rf7 50. Ke2 Nf5 51. Rf3 Re7+ 52. Kf2 Nd6 53. Re3
Rf7+ 54. Kg2 Rg7 55. Re5 Ra7 56. g4 Ra3 57. Re3 Rxc3 58. Rxc3 Kxb4 59. Rf3 c3
60. g5 c2 61. Rf1 Nf5 62. Kh3 Kc3 63. g6 b4 64. d6 b3 65. d7 b2 66. d8=Q c1=Q
67. Qa5+ Kd4 68. Qxf5 1-0

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.14"]
[Round "8.4"]
[White "Vaishali, Rameshbabu"]
[Black "Aryan, Chopra"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2476"]
[BlackElo "2634"]
[ECO "C41"]
[Opening "Philidor"]
[Variation "Improved Hanham variation"]
[WhiteFideId "5091756"]
[BlackFideId "5084423"]
[EventDate "2025.08.07"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4
h6 9. h3 Re8 10. Ba2 a5 11. Be3 exd4 12. Nxd4 Bf8 13. Bf4 Ra6 14. Nf5 Ne5 15.
Ng3 Be6 16. Bxe6 fxe6 17. Nh5 Ra8 18. Bg3 Nxh5 19. Qxh5 Nf7 20. Rad1 e5 21. Rd3
Qf6 22. Nd1 g6 23. Qe2 Reb8 24. Ne3 h5 25. b3 Bh6 26. Red1 b5 27. axb5 Bxe3 28.
Rxe3 h4 29. Bh2 cxb5 30. Qg4 Re8 31. Rf3 Qe6 32. Qxh4 a4 33. bxa4 bxa4 34. Ra1
Rec8 35. Rfa3 Rxc2 36. f4 Qc4 37. Kh1 Rc1+ 38. Bg1 Rxa1 39. Rxa1 Qxe4 40. Ra3
exf4 41. Qf6 Qf5 42. Qb2 Ng5 43. Qb7 Qe4 44. Qd7 Nf7 45. Ba7 Qe1+ 46. Kh2 Qe5
47. Kh1 Qe8 48. Qb7 Rc8 49. Ra1 Rc4 50. Bf2 Qe2 51. Qa8+ Kg7 52. Qa7 Rc2 53.
Bd4+ Kh6 54. Rg1 Qc4 55. Bf6 g5 56. Qe7 f3 57. g4 Kg6 58. h4 gxh4 59. Bxh4 Qf4
60. Bg3 Qh6+ 61. Bh4 Qf4 62. Bg3 Qh6+ 63. Bh4 Kg7 64. Rf1 Re2 0-1

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.14"]
[Round "8.5"]
[White "Dronavalli, Harika"]
[Black "Pranesh, M"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2487"]
[BlackElo "2589"]
[ECO "D47"]
[Opening "QGD semi-Slav"]
[Variation "Meran, Wade variation"]
[WhiteFideId "5015197"]
[BlackFideId "35028600"]
[EventDate "2025.08.07"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3
Bb7 9. O-O a6 10. e4 c5 11. d5 Qc7 12. Qe2 Bd6 13. dxe6 fxe6 14. Ng5 Nf8 15. f4
c4 16. Bc2 h6 17. Nf3 O-O-O 18. e5 Bc5+ 19. Kh1 Nd5 20. Ne4 Nd7 21. a4 Rhf8 22.
axb5 axb5 23. b3 Nxf4 24. Bxf4 Rxf4 25. bxc4 b4 26. Rad1 Rdf8 27. Nd6+ Bxd6 28.
exd6 Qc5 29. Qxe6 Bc6 30. Rde1 Qxc4 31. Bb3 Qxe6 32. Bxe6 Kb7 33. Bxd7 Bxd7 34.
Re7 R8f7 35. Rxf7 Rxf7 36. Rb1 Rf4 37. Ne5 Bf5 38. Re1 b3 39. g4 Be4+ 40. Kg1 b2
41. d7 Kc7 42. Rd1 Rf8 0-1

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.15"]
[Round "9.1"]
[White "Pranesh, M"]
[Black "Harshavardhan, G B"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2589"]
[BlackElo "2454"]
[ECO "C42"]
[Opening "Petrov"]
[Variation "Nimzovich attack"]
[WhiteFideId "35028600"]
[BlackFideId "25059009"]
[EventDate "2025.08.07"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 Nd7 8.
Qd2 Ne5 9. O-O-O Nxf3 10. gxf3 Be6 11. Kb1 Qd7 12. Bd4 Rg8 13. Bd3 g6 14. Qh6 c5
15. Be3 O-O-O 16. Be4 d5 17. Bxd5 Bxd5 18. c4 Qf5 19. cxd5 Qxf3 20. c4 Bd6 21.
Ka1 Rde8 22. h4 Re4 23. Qxh7 Rge8 24. Rb1 Be5 25. Qh6 Bf6 26. h5 Rh8 27. Qxh8+
Bxh8 28. hxg6 Be5 29. gxf7 Qxf7 30. Bxc5 Rxc4 31. Bxa7 Qxd5 32. Rbc1 Qb5 33.
Rxc4+ Qxc4 34. Rb1 b5 35. Be3 Qc2 36. Bb6 b4 37. Be3 Kb7 38. f3 Bf6 39. f4 Ka6
40. f5 Kb5 41. Bh6 b3 42. a4+ Ka6 43. Bf8 Qc4 44. Ba3 Qxa4 45. Re1 Qxa3+ 46. Kb1
Qxb2# 0-1

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.15"]
[Round "9.2"]
[White "Aryan, Chopra"]
[Black "Dronavalli, Harika"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2634"]
[BlackElo "2487"]
[ECO "B33"]
[Opening "Sicilian"]
[Variation "Pelikan (Lasker/Sveshnikov) variation"]
[WhiteFideId "5084423"]
[BlackFideId "5015197"]
[EventDate "2025.08.07"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8.
exd5 Nb8 9. a4 Be7 10. Be2 O-O 11. O-O Bf5 12. Bd2 Nd7 13. a5 a6 14. Na3 Be4 15.
Bb4 Nf6 16. c4 Bg6 17. Nb1 Rc8 18. Nc3 Nd7 19. Na4 f5 20. f3 Qc7 21. Be1 Bg5 22.
Ra3 f4 23. b4 e4 24. fxe4 Bxe4 25. Bg4 Bf5 26. c5 Rce8 27. Bxf5 Rxf5 28. Bf2 Nf6
29. Rd3 Ne4 30. cxd6 Qxd6 31. Bc5 Qd7 32. d6 Bd8 33. Bb6 Rf6 34. Bxd8 Rxd8 35.
Nb6 Qb5 36. Qb3+ Kh8 37. Rd5 Qe2 38. Qf3 Qe3+ 39. Qxe3 fxe3 40. Rxf6 gxf6 41.
Kf1 Rxd6 42. Rxd6 Nxd6 43. Ke2 Nf5 44. Nd5 Kg7 45. Nxe3 Ne7 46. Kd3 Kf7 47. Kd4
Ke6 48. Kc5 Nc6 49. Nc4 Kd7 50. Nd6 Nxb4 51. Nxb7 Nd3+ 52. Kb6 f5 53. Nc5+ Nxc5
54. Kxc5 f4 55. Kb6 h5 56. Kxa6 Kc6 57. h4 Kd5 1-0

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.15"]
[Round "9.3"]
[White "Ghosh, Diptayan"]
[Black "Vaishali, Rameshbabu"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2576"]
[BlackElo "2476"]
[ECO "A48"]
[Opening "King's Indian"]
[Variation "East Indian defence"]
[WhiteFideId "5045207"]
[BlackFideId "5091756"]
[EventDate "2025.08.07"]

1. d4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 c5 5. dxc5 Qa5+ 6. Nbd2 Qxc5 7. e3 O-O 8.
c4 b6 9. Be2 Bb7 10. O-O d5 11. Rc1 Nbd7 12. a3 Rac8 13. b4 Qd6 14. h3 a5 15.
bxa5 bxa5 16. cxd5 Rxc1 17. Qxc1 Rc8 18. Qa1 Qxd5 19. Rd1 Qe6 20. Rc1 Nc5 21.
Bd4 Ba6 22. Bxa6 Nxa6 23. Rxc8+ Qxc8 24. Qb2 Qc6 25. Ne5 Qa8 26. Qb6 a4 27. Qa5
Nd5 28. Qxa4 e6 29. Ndc4 Nac7 30. Qxa8+ Nxa8 31. a4 Nac7 32. Kf1 Na6 33. Nc6
Bxd4 34. Nxd4 Kf8 35. a5 Ke7 36. Nc6+ Kd7 37. N6e5+ Ke7 38. Nd3 f6 39. e4 Nc3
40. f3 Kd7 41. Ke1 Kc6 42. Kd2 Nb5 43. Ke3 Nc3 44. e5 f5 45. Nd6 Nd5+ 46. Kd4
Ndc7 47. Nf7 Kb5 48. Ng5 Nb8 49. Ke3 h6 50. Nf7 Nd5+ 51. Kf2 Nc6 52. Kg3 Kc4 53.
Nf4 Nxf4 54. Kxf4 Nxa5 55. Nxh6 Nc6 56. Nf7 Kd5 57. h4 Ne7 58. Kg5 Kc6 59. Nh8 1-0

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.15"]
[Round "9.4"]
[White "Iniyan, Pa"]
[Black "Puranik, Abhimanyu"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2586"]
[BlackElo "2635"]
[ECO "E09"]
[Opening "Catalan"]
[Variation "closed, main line"]
[WhiteFideId "25002767"]
[BlackFideId "5061245"]
[EventDate "2025.08.07"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. g3 Nf6 5. Bg2 Be7 6. O-O Nbd7 7. Qc2 O-O 8. Nbd2
b6 9. e4 dxc4 10. Nxc4 Bb7 11. a3 b5 12. Nce5 c5 13. Nxd7 Nxd7 14. Rd1 Qb6 15.
dxc5 Qxc5 16. Qe2 Rfd8 17. Bf4 Qb6 18. Rac1 Nc5 19. Be3 b4 20. Ne5 bxa3 21. bxa3
f6 22. Rd7 Rxd7 23. Nxd7 Qa6 24. Qxa6 Nxa6 25. e5 Bxg2 26. Kxg2 Rd8 27. Rc6 Rxd7
28. Rxa6 fxe5 29. a4 Rd5 30. Rxa7 Bb4 31. Rb7 Bc3 32. Kf3 Rd1 33. Rb3 Be1 34.
Ke2 Ra1 35. Bb6 e4 36. Bc7 g5 37. Be5 Rc1 38. Rb5 h6 39. a5 Bc3 40. Bxc3 Rxc3
41. Rb7 Ra3 42. Ra7 Kf8 43. a6 Ke8 44. Ra8+ Kf7 45. a7 Kg7 46. Kd2 g4 47. Kc2 h5
48. Kb2 Ra6 49. Kb3 Kh7 50. Kc4 Ra2 51. Kd4 Ra5 52. Kxe4 Kg7 53. Kd4 Kh7 54. Kc4
Kg7 55. Kb4 Ra2 56. Kc5 Kh7 57. Kd6 Ra6+ 58. Kd7 Kg7 59. Ke7 e5 60. Kd7 Ra2 61.
Ke6 Ra6+ 62. Kf5 e4 63. Kg5 Ra5+ 64. Kh4 Kh7 65. Re8 Rxa7 66. Kxh5 Rf7 67. Kxg4
Rxf2 68. h4 Rf6 69. Rxe4 Rg6+ 70. Kh3 Ra6 71. h5 Kh6 72. Kh4 Ra1 73. Re6+ Kh7
74. g4 Ra7 75. Kg5 Ra5+ 76. Kf4 Ra7 77. g5 Kg7 78. h6+ Kh7 79. Kg4 Ra1 80. Re7+
Kh8 81. Kh5 Ra5 82. Kg6 Ra6+ 83. Kf5 Ra5+ 84. Re5 Ra1 85. Re8+ Kh7 86. Re7+ Kg8
87. g6 Rf1+ 88. Ke5 Re1+ 89. Kd6 Rd1+ 90. Kc5 Rc1+ 91. Kd4 Rd1+ 92. Kc3 Rd8 93.
Kc4 Kh8 94. Kc5 Ra8 95. Kb6 Kg8 96. Kb7 Rd8 97. Rc7 1-0

[Event "Chennai Challengers 2025"]
[Site "Chennai IND"]
[Date "2025.08.15"]
[Round "9.5"]
[White "Adhiban, Baskaran"]
[Black "Mendonca, Leon Luke"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2534"]
[BlackElo "2606"]
[ECO "E01"]
[Opening "Catalan"]
[Variation "closed"]
[WhiteFideId "5018471"]
[BlackFideId "35028561"]
[EventDate "2025.08.07"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Be7 6. Nf3 Nbd7 7. Qc2 c6 8. h4
h6 9. Bf4 O-O 10. Nc3 dxc4 11. Ng5 Qa5 12. Bd2 Qc7 13. Bf4 e5 14. dxe5 Nxe5 15.
O-O-O Qa5 16. Kb1 Ng6 17. Bd2 hxg5 18. hxg5 Ng4 19. f4 Qc5 20. Rdf1 f5 21. gxf6
Bxf6 22. Ne4 Qe7 23. Rh5 Nh6 24. f5 Bxf5 25. Bxh6 Bxe4 26. Bxe4 gxh6 27. Bxg6
Bg5 28. Qxc4+ Kg7 29. Bf5 Rad8 30. g4 Qe3 31. Rfh1 Rd2 32. Rxg5+ Qxg5 33. Qc3+
Rf6 34. e4 Qf4 35. e5 Rxf5 36. gxf5 Qe4+ 37. Kc1 Rd3 38. Rg1+ Kh7 39. Qc5 Rd7
40. e6 b6 41. exd7 bxc5 42. Rd1 Qf4+ 43. Kb1 Qxf5+ 44. Ka1 1-0

